Pertaining to or based on experience (often, in contrast with having a basis in theoretical explanation).
Pertaining to, derived from, or testable by observations made using the physical senses or using instruments which extend the senses.
Verifiable by means of scientific experimentation.
Being an adherent of the philosophy of metaphysics.
Of or pertaining to metaphysics.
Immaterial, supersensual, not physical (more properly, "beyond" that which is physical).